The Grandstream GXW4104 FXO IP Analog Gateway offers the small enterprise, SOHO, remote offices and multi-location enterprises a cost-effective, easy to deploy VoIP FXO solution. The GXW4104 allows any business to seamlessly connect multiple locations with up to 4 PSTN lines, to an IP PBX system, or with an existing traditional phone system. The GXW 4104 has 4 FXO ports. Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments, the GXW technology ensures manageability, a simple configuration, superb voice and video quality and feature rich functionality. The GXW 4104 FXO IP Analog Gateway is based on open industry standards.

Technical Specification

VoIP-FXO analog gateway to support up to 4 PSTN lines

Video surveillance port to enhance premise security

Two RJ-45 ports (switched or routed)

TFTP and HTTP firmware upgrade support

Supports Audio Codecs: G711, G723, G729 and GSM

T.38 compliant

Web management for easy configuration and installation

TFTP and HTTP firmware upgrade support

Multiple SIP profiles, max of 3 profiles per system. Each profile hosts 0 to multiple number of SIP accounts, depending on user need

One stage and two stage dialing

Two stage dialing means when after dialing the number to the GXW,
be it from VoIP to GXW or from PSTN to GXW, a second dial-tone prompts
users to input the final destination number to finish final dialing.

One stage dialing means user only hear dial-tone once and input a final destination number along with a pre-fix. One stage dialing need SIP server to support SIP call forward via a dial-plan